On page load, compares URL to a user-created list. Closes tab/page if there is a match. Useful for websites like Kissanime, where all popups go through the same redirector website first, then to the ad. Go to Options > Load Defaults after install!

PopupKiller is available to install from Firefox Browser Add-ons and for download from this page. It has 25 active users The latest version is 1.3, and it was published 2 years ago.

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Total download count: 0 (Only count downloads from Firefox-Stats)
Install PopupKiller from Firefox Browser Add-ons
All available versions

You can find the current and older versions of PopupKiller here. You can download the archived versions or inspect their source codes.

As a free user, you can only download the latest version.

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Version Download Size Download count Timestamp
1.3 Sign in to download 48.91K 0 2022-08-02
How to install PopupKiller from an XPI file
  1. Simply drag-and-drop the XPI into Firefox to install the add-on.
How to install PopupKiller from a ZIP file
  1. Download the PopupKiller ZIP file
  2. In Firefox browser, go to about:addons to open Add-ons Manager
  3. Click on , then select Install Add-on From File
  4. Select the PopupKiller ZIP file from step 1. PopupKiller is now installed on your browser.